Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centre » information centers, information contents
technologie im » technologien im, technologien am, technologie c
im information » crm information, stm information, 2 information
3.3 developing » 4 developing, 2 developing, 1 developing
knew personal » der personal, how personal, de personal
centre knew » centre one
costs 3.3 » costs 2.3, costs 3.5, costs 4.3

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologie im information centre knew personal communication costs 3.3 developing _ africa.*.